CVE-2026-111125EPSS p2.2%
CVE-2026-111125CVE-2026-111125
Description
CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the HCOMPRESS tile decoder that allows attackers to read past the compressed tile buffer via input_nnybble in fits_hdecompress.c. Attackers can supply a crafted FITS file with ZCMPTYPE HCOMPRESS_1 declaring oversized tile geometry to crash applications calling fits_read_pix or disclose limited heap memory.
Scoring
| CVSS | 6.1 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
| EPSS | 0.13% probability of exploitation · percentile 2.2% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |